As Chris White of Dewiler Fenton noted recently (hat tip Art Cashin), lots of things have changed since the last peak in 2007:

Dow Jones Industrial Average: Then 14164.5; Now 14,304GDP Growth: Then +2.5%; Now +1.6%Unemployed: Then 6.7 million; Now 13.2 millionFood Stamp users: Then 26.9 million; Now 47.69 millionFed’s Balance Sheet: Then $0.89 trillion; Now $3.01 trillionDebt as a Percentage of GDP: Then ~38%; Now 74.2%Total US Debt: Then $9.008 trillion; Now $16.43 trillionConsumer Confidence: Then 99.5; Now 69.6VIX: Then 17.5%; Now 14%10 Year Treasury Yield: Then 4.64%; Now 1.89%Gold: Then $748; Now $1583NYSE Average daily volume: Then 1.3 billion shares; Now 545 million shares